Static voltage balance method of CDSM-MMC based on power supply control

IET Power Electronics(2020)

Cited 3|Views38
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Abstract
Recently, the clamp double sub-module (CDSM) topology with its DC fault clearance ability has become more attractive for use in the modular multilevel converter (MMC)-based high-voltage DC transmission systems. However, the capacitor voltage imbalance caused by the discreteness of the device parameters during the uncontrolled pre-charging process seriously affects the system's safe start-up. To so...
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Key words
capacitors,fault diagnosis,HVDC power convertors,HVDC power transmission,power convertors,power transmission control,resistors,voltage control
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